1pc High-Definition 154mm Double Separation Objective Lenses for Astronomical Telescopes - 750mm/1200mm Focal Length(D154F1200 Multilayer)

Description

• Premium 154mm diameter objective lenses devised for refractive astronomical telescopes, enhancing your stargazing experience.
• Available in two focal lengths: 750mm and 1200mm, allowing for versatile use in various telescope setups.
• Optional multi-layer broadband coating (400-700nm) or single blue film layer for improved light transmission and image clarity.
• Exceptional image with combined ratings of 1/4-1/8, ensuring sharp and detailed views of objects.
• Precision-engineered with strict tolerances for diameter, center thickness, and focal length, ensuring optimal performance and compatibility.

Product Name: 154mm Series High-definition Double Separation Objective Lenses for Astronomical Telescopes
Diameter D:154mm, Focal Length F: 750mm/1200mm Optional
Coating: Multi-layer broadband film (400-700nm)/ Single Blue Film layer gnecnad(400-700nm) is optional
Combined image :1/4-1/8
Diameter tolerance :+0/ -0.12mm
Center thickness tolerance :0.2mm
Focal length tolerance :0.1%
Finish :60/40
Eccentric :1'
Two refractive double-separation objective lens groups, suitable for astronomical telescope objective lenses, star-seeking lenses and collimating objective lenses.

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